Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of compressor is defined as the ratio of Isothermal h.p. to adiabatic h.p. Power to drive compressor to isothermal h.p. Isothermal h.p. to the BHP of motor Work to compress air isothermally to work for actual compression Isothermal h.p. to adiabatic h.p. Power to drive compressor to isothermal h.p. Isothermal h.p. to the BHP of motor Work to compress air isothermally to work for actual compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Diffuser in a compressor is used to Convert pressure energy into kinetic energy Increase velocity Convert kinetic energy into pressure energy Make the flow streamline Convert pressure energy into kinetic energy Increase velocity Convert kinetic energy into pressure energy Make the flow streamline ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are suitable for Low discharge at low pressure Large discharge at high pressure Low discharge at high pressure Large discharge at low pressure Low discharge at low pressure Large discharge at high pressure Low discharge at high pressure Large discharge at low pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the compressed air main line should Be laid exactly horizontally Drop gradually towards the point of use Rise gradually towards the point of use Be laid vertically Be laid exactly horizontally Drop gradually towards the point of use Rise gradually towards the point of use Be laid vertically ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The net work input required for compressor with increase in clearance volume Increases/decreases depending on compressor capacity Remains same Increases Decreases Increases/decreases depending on compressor capacity Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Any one of these Polytropic Isentropic Isothermal Any one of these Polytropic Isentropic Isothermal ANSWER DOWNLOAD EXAMIANS APP
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